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26819 (1987 QH7)
Classification: Main-belt Asteroid          SPK-ID: 2026819
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3247881095368309 5.5486e-08  
a 2.585926996687979 1.4327e-08 au
q 1.746048656033435 1.4906e-07 au
i 4.389690254984915 5.5326e-06 deg
node 4.509159829579735 4.7694e-05 deg
peri 10.54695924476097 4.805e-05 deg
M 307.5479664323337 7.2814e-06 deg
tp 2459221.800628225087
(2021-Jan-07.30062823)
3.2043e-05 TDB
period 1518.877739187261
4.16
1.2623e-05
3.456e-08
d
yr
n .2370171019773014 1.9698e-09 deg/d
Q 3.425805337342522 1.8981e-08 au
  Orbit Determination Parameters
   # obs. used (total)      857  
   data-arc span      11937 days (32.68 yr)  
   first obs. used      1987-08-23  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49771  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 06:05:54  

Additional Information
 Earth MOID = .747334 au 
 Jupiter MOID = 2.04313 au 
 T_jup = 3.342 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO435950  

26819 (1987 QH7)          Discovered 1987-Aug-23 by Helin, E. F. at Palomar
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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